Breadcrumb Home > Thesaurus > O Synonyms of odontoglossum Find synonyms for: Noun1. odontoglossum, orchid, orchidaceous plantusage: any of numerous and diverse orchids of the genus Odontoglossum having racemes of few to many showy usually large flowers in many colorsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of odontoglossum (Dictionary) ✖ Related Content Daily Word Quiz: rococo Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language